Folding box



1. H. FowLE FOLDING BOX March 3, 1959 Filed Aug. 28, 1957 BY H- f %,M

A TORNEYS INVENTOR. lRVING H- FOWLE United States Patent FOLDING BOXBingharnton, N. Y., assignor to General Irving H. Fowle,

New York, N. Y., a cor- Aniline & Film Corporation, poration of DelawareThis invention relates to paperboard boxes'of the folding type and, moreparticularly, to a folding paper box having an inner and outertelescoping cover.

It is often desirable to utilize a folding paper box for housing orcarry contents which are sensitive to light, dust, or other forms ofcontamination which would ad versely affect the contents of the box. Itis the object of this invention to provide a folding paper box forcarrying easily contaminated contents having two covers which providethe means for protecting the contents of the box.

In the packaging of photographic sheet film or paper, it is advantageousto have easy access to the contents when working in the darkroom and, atthe same time, assure light-tightness of the package. Heretofore, toassure light protection and safety from accidental opening of thepackage, it was customary to place such material in double containers,one fitting into the other. While this gave sufficient protection to thecontents, it had the disadvantage that handling the material wasdifficult, since both containers had to be opened and the contentsremoved for use.

The construction in accordance with this invention eliminates the abovedisadvantages while retaining the safety features, there being provideda folding paper box having a pair of covers wherein the inner cover ishingedly connected in a manner so progressively lifted only after theouter cover has first been lifted and in proportion to the extent oftravel thereof.

In order to accomplish these objects, the box is constructed with atray-like body having upstanding side walls and a cover integraltherewith adapted to telescope over the side walls. The side of the bodywhich is integral with the cover is the hinge section, and attached tothis hinge section is an inverted cover member which is adapted to closeover the contents and telescope within the side walls of the bodyporton. As the outer cover is raised, the hinge section is pivoted andthe inner cover will be automatically lifted off the contents.

Other objects and features will be apparent from the followingdescription of the invention, pointed out in particularity in theappended claims, and taken in connection with the accompanying drawings,in which:

Fig. 1 is a perspective view of the folding box of this inventionshowing the box in wide open position;

Fig. 2 is a-perspective view showing the folding box and its innertelescoping cover member in partially opened position; and

Fig. 3 is a side sectional view.

Referring to the drawing, a body member which is adapted to contain thecontents of the box comprises a bottom 11 and three upstanding sidewalls 12. The

that it is automatically and fourth side wall of the body is a hingedportion 13 which is integral with a telescoping outer cover member 14.This outer cover member also has a bottom 15 and three side walls 16.

To provide means for protecting any contents which are subject tocontamination and which are supported in the body 10, an inner covermember 18 is provided. This inner cover member is in the form of arectangular tray having a bottom 20 and four side walls 22. One of theseside walls is secured by suitable means, such as adhesive or the like24, to the integral hinged portion 13 connecting the body 10 and thecover 14. The inner and outer telescoping covers 18 and 14 present asinuous labyrinth between any contents in the body 10 and anycontamination outside the box. This arrangement is also effective inpreventing leakage of any granular material in the box.

It is believed that the function of the box is apparent from theforegoing; however, the operation is briefly as follows. Any suitablecontents which may be subject to various forms of contamination areplaced in the body member 12 and the inner cover 18 is adapted totelescope within the side walls 12 of the body 10. The outer cover 14 isadapted to telescope over the side walls 12, as shown in Fig. 3. Whenthe outer cover 14 is pivoted rearwardly to open the box, the hingedportion 13 will pivot and cause inner cover member 18 to follow as it isrigidly secured to the hinged portion 13. Thus, the inner cover member18 will follow as the outer member 14 is opened.

If anyone should thoughtlessly open this container of light-sensitivematerial, the fact that the inner cover member 18 will not immediatelyfollow the opening of the outer cover 14, there being approximately adifference between their respective angular displacement, gives anopportunity to close the cover before damage results to the contents.

I claim:

1. A box comprising a body tray including a bottom and side wallsextending upwardly about sides of the bottom, a cover member integralwith and hingedly connected to one of the sides of the tray, said covermember having three side walls and being adapted to telescope over theside walls of said tray, and an inner cover member having the form of atray with four side walls, said inner cover member being secured to thehinged side of the bottom tray and being adapted to telescope into thebody member when the cover member is closed.

2. A folding paperboard box comprising a tray-like body having threeupstanding side walls and a fourhinged side wall, an outer cover memberintegral with the hinged side wall and hinged thereto, said cover memberalso having three upstanding side walls, and a rigid tray-like innercover member having four side walls being secured by a side wall thereofto the hinged side wall between the cover and the body, said side wallsof the inner cover member adapted to telescope with the side walls ofthe tray-like body when the outer cover member is folded over to closethe body.

References Cited in the file of this patent UNITED STATES PATENTS1,666,652 Hiering Apr. 17, 1928 2,053,529 Nelson Sept. 8, 1936 FOREIGNPATENTS 548,141 Great Britain Sept. 28, 1942

